Adding all files related to project

Celebration Backend files
Android-volley-master library
Installation guides
Database
APK for app
Created dbconnect.php

Modified all server-side files to use dbconnect.php instead of
hard-coded database connection configuration. Will allow us to move
between development and deployment easier as only one file needs
changed.
Merge pull request #1 from sheggen/master

Added all files related to project and modified server-side files to allow easier development when connecting to database